1. Identification of Essential Oil Components by Gas Chromatograph Quadrupole Mass Spectroscopy;Adams,2001
2. Liquids from olive husk by using supercritical fluid extraction and thermochemical methods;Akdeniz;Energy Edu. Sci. Technol.,1998
3. Fuels from Waste,1967
4. Appell, H.R., Fu, Y.C., Friedman, S., Yavorsky, P.M., Wender, I., 1971. Converting Organic Wastes to Oil. US. Bureau of Mines Report of Investigation No. 7560.
5. Liquid products from Verbascum stalk by supercritical fluid extraction;Cemek;Energy Convers. Manage.,2001